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The purpose of this study is to determine whether Endostar pumping into vein with Gemcitabine-Cisplatin are more effective than Endostar with Gemcitabine-Cisplatin regularly in the treatment of Non-Small Cell Lung Cancer (NSCLC).

Endostar have anti-tumor activity by against vascular endothelial growth factor for initial treatment. This study was designed to evaluate the safety and efficacy of Endostar Continued vein-pumping Combining with Gemcitabine-Cisplatin (GP)chemotherapy in patients with NSCLC,and seeking for more effective injection.

Endostar that is Continued Pumping into vein Combining With Gemcitabine -Cisplatin

Drug: Endostar -Continued Pumping into+GP

Gemcitabine(G):1000mg/m2 intravenous injection on d1,8 q3w; Cisplatin (P):75mg d1 q3w; Endostar:7.5 mg/m2 Continued Pumping into vein with saline,Each pump use 120 hours and the dosage is 7.5mg/m2*5 ,on day 1 to day 14, discontinuancing for 7 days and 21 days is one cycle,Continued using 2-4cycles.

Active Comparator: Endostar -injecting into +GP

Endostar that is injecting into vein with Gemcitabine -Cisplatin

Drug: Endostar -injecting into +GP

Gemcitabine(G):1000mg/m2 intravenous injection on d1,8 q3w; Cisplatin (P):75mg iv on d1 q3w; Endostar:7.5 mg/m2 injecting into vein for 4 hours with saline on day 1 to day 14, discontinuancing for 7 days and 21 days is one cycle.Continued using 2-4cycles

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The patients have explicit lung tumor lesions and the lesions were measurable; (According to the standard of RECIST1.1, they should have at least one of accurately measurable lesions with the largest diameter ≥ 10mm by spiral CT, MRI);